Respiratory apparatus



FIG. 1 is a left side isometric view of a respiratory apparatus according to my new design;

FIG. 2 is front elevation view of the respiratory apparatus of FIG. 1;

FIG. 3 is a left side elevation view of the respiratory apparatus of FIG. 1;

FIG. 4 is a rear elevation view of the respiratory apparatus of FIG. 1;

FIG. 5 is a right side elevation view of the respiratory apparatus of FIG. 1;

FIG. 6 is a top plan view of the respiratory apparatus of FIG. 1; and,

FIG. 7 is a bottom plan view of the respiratory apparatus of FIG. 1.

The broken lines illustrate portions of the respiratory apparatus that form no part of the claimed design. 

CLAIM The ornamental design for a respiratory apparatus, as shown and described. 